Hayward
Hayward H-Series Bypass Cartridge Kit FDXLBPK1930 – Universal Low NOx Heater Replacement
Hayward H-Series Low NOx Heater Bypass Cartridge Kit
OEM replacement bypass cartridge kit for Hayward Universal H-Series Low NOx pool and spa heaters.
Warranty Information
1-Year Manufacturer's Replacement Part Warranty
Ultimate Pools is your first point of contact for compatibility verification, installation guidance, and warranty support.
The Hayward H-Series Bypass Cartridge Kit (FDXLBPK1930) is a genuine OEM replacement part designed for Hayward Universal H-Series Low NOx gas pool and spa heaters. This bypass cartridge helps regulate water flow through the heater's heat exchanger, supporting efficient operation while helping protect internal components from excessive pressure and flow conditions.
Manufactured to Hayward's original specifications, the FDXLBPK1930 provides the correct fit and dependable performance expected from genuine replacement parts. Replacing a worn or damaged bypass cartridge can help restore proper heater operation and extend the life of your heating system.
Features
Manufactured to original specifications for proper fit, performance, and reliability.
Helps regulate bypass operation to promote efficient heater performance.
Built from quality materials for dependable long-term service.
Fits numerous Hayward Universal H-Series Low NOx and ASME heater models.
Designed as a direct replacement for worn or damaged factory bypass cartridges.
Maintains the original operating characteristics of your Hayward heater.
Compatibility & Fitment
Compatible with the following Hayward heater models:
- Hayward Universal H-Series Forced Draft Heaters: H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP.
- Hayward ASME Universal H-Series Heaters: H250FDNASME, H250FDPASME, H400FDNASME, H400FDPASME.
- Hayward H-Series Above-Ground Heaters: H135ID1, H135IDP1.
Compatibility may vary by production year, configuration and installation. Verify your exact model and part number before ordering.
Specifications
| SKU | FDXLBPK1930 |
| Brand | Hayward |
| Product Type | Pool Heater Bypass Cartridge Kit |
| Compatibility | Hayward Universal H-Series Low NOx gas pool and spa heaters (see compatibility list above) |
| Application | Replacement heater bypass cartridge assembly |
| Warranty | 1-Year Manufacturer's Replacement Part Warranty |
| Installation | Professional installation is recommended. Gas heater repairs should be performed by a qualified pool heater technician or licensed gas contractor and must comply with all applicable local codes. |
| Final Sale | Yes |
Frequently Asked Questions
The bypass cartridge regulates water flow through the heater, helping protect the heat exchanger while maintaining proper operating efficiency.
Yes. FDXLBPK1930 is a genuine Hayward OEM replacement bypass cartridge kit.
It fits numerous Hayward Universal H-Series Low NOx forced draft heaters, ASME models, and select H135 above-ground heaters. Refer to the compatibility section above for the complete list.
Because this component is installed within a gas pool heater, Hayward recommends installation by a qualified technician. All gas appliance repairs should comply with local codes and regulations.
No product videos available for this product.